Home / 105,527,906.72-145,628,525.08-58,488,017.16

Finding the Fourth Proportional to 105,527,906.72, 145,628,525.08 and 58,488,017.16

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Solution

The fourth proportional to 105,527,906.72, 145,628,525.08 and 58,488,017.16 is: 80,713,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,527,906.72 : 145,628,525.08 = 58,488,017.16 : x
  2. Step 2: Convert to fraction form
    105,527,906.72/145,628,525.08 = 58,488,017.16/x
  3. Step 3: Cross multiply
    105,527,906.72x = 145,628,525.08 × 58,488,017.16
  4. Step 4: Simplify right side
    105,527,906.72x = 8,517,523,673,745,246
  5. Step 5: Solve for x
    x = 8,517,523,673,745,246/105,527,906.72
  6. Step 6: Final answer
    x = 80,713,471.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.